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Zetor 7321

The Zetor 7321 is a tractor produced by Zetor. It is equipped with a 239 ci 3.9 L engine. The listed engine power is Diesel (listed): 78 hp / 58.2 kW. Transmission: mech shuttle. Operating weight: 6950 lbs 3152 kg.

Engine Power
Diesel (listed): 78 hp / 58.2 kW
Fuel & Capacities
32 gal 121.1 L
Transmission
mech shuttle
Operating Weight
6950 lbs 3152 kg

Overview

No photo available
1997 - 2004 Range 1 Super SeriesUtility tractor Range 1 Super Series Utility tractor
Production
Manufacturer
Zetor
Utility tractor
Built in Brno, Czech Republic
Original price
$28,500
The Zetor 7321 is the 2WD version of the 7341.
Variants
7321
2WD
7341
4WD
Zetor 7321 Engine
Zetor 3.9L 4-cyl diesel
Fuel tank
32 gal 121.1 L
Engine details ...
Zetor 7321 Transmission
10-speed
Transmission details ...
Zetor 7321 Power
Engine
78 hp 58.2 kW
PTO (claimed)
73 hp 54.4 kW
Drawbar (tested)
55.7 hp 41.5 kW
PTO (tested)
72.8 hp 54.3 kW
Performance test details ...
Mechanical
Two-wheel drive
Power steering
Hydraulic wet disc brakes
Two-post folding ROPS. Cab available with air-conditioning.
Hydraulics
Type
open center
Pressure
2600 psi 179.3 bar
Valves
1 to 3
Pump flow
14 gpm*Advertised. Tested flow was 10.3 GPM. 53.0 lpm
Steering flow
4 gpm 15.1 lpm
Tractor hitch
Rear Type
II/I
Control
position and draft control
Rear lift
6830 lbs*Advertised. Lift capacity during testing was 6185 pounds. 3098 kg
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
540
540/1000
Dimensions & Tires
Wheelbase
88.9 inches 225 cm
Weight
6950 lbs 3152 kg
Front tire
9.00-16
Rear tire
18.4R34
Full dimensions and tires ...
Electrical
Charging system
alternator
Charging amps
75
Battery volts
12

Engine

Engine Detail — 239 ci / 3.9 L Diesel

Manufacturer
Zetor
Configuration
turbocharged diesel, 4-cylinder, liquid-cooled
Displacement
239 ci 3.9 L
Bore/Stroke
4.016x4.724 inches 102 x 120 mm
Power
78 hp 58.2 kW
Compression
17:1
Rated RPM
2200
Starter volts
12

Transmission

Transmission — synchro mesh

Transmission
synchro mesh
Gears
10 forward and 2 reverse
Clutch
hydraulic 304.8mm cerametallic disc

Transmission — mech shuttle

Transmission
mech shuttle
Gears
10 forward and reverse

Dimensions

Zetor 7321 Tires
Ag front
9.00-16
Ag rear
18.4R34
Dimensions
Wheelbase
88.9 inches 225 cm
Length
144 inches 365 cm
Width
74 inches 187 cm
Height
105 inches 266 cm
Weight
6950 lbs 3152 kg

Tests

Nebraska Tractor Test 1684
Diesel 10-speed 2WD March 1997 - November 1997, Link: Nebraska Tractor Test 1684 file
PTO performance
Power at rated engine speed
72.8 hp 54.3 kW
Fuel use
4.4 gal/hour 16.7 l/hour
Power at rated PTO speed
72.4 hp 54.0 kW
Fuel use
4.2 gal/hour 15.9 l/hour
Drawbar performance
Max power
55.7 hp 41.5 kW
Fuel use
4.0 gal/hour 15.1 l/hour
Gear 2R used for power test.
Max pull
5490 lbs 2490 kg
Gear 1R used for pull test.

Attachments

Attachment overview
Zetor 102H loader
Zetor 102SLX loader
Zetor 112SLX loader

Recommended Implements & Sizing Guide

Engineering recommendations for Zetor 7321 based on its 78 HP power envelope and ASAE agricultural standards.

Implement & OperationRecommended SizeWorkload RatingEngineering Notes
Moldboard PlowPrimary Tillage
3 to 4 Bottom (16")3 - 4 铧 (40 cm)Heavy DutySuitable for medium loam and stubble turnover.
Rotary Cutter / MowerMowing & Clearing
7 to 8 ft (84-96 in)2.1 - 2.4 mHeavy DutyHeavy-duty twin spindle cutter for overgrown acreage.
Rotary TillerSeedbed Prep
78 to 84 in200 - 215 cmHeavy DutyHeavy commercial tiller with multi-speed gearbox.
Disc HarrowSecondary Tillage
10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙Heavy DutyAggressive residue cutting in corn/cotton stubble.
Hay BalerHay & Forage
4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机Heavy DutySilage and dry hay; 540 RPM PTO with slip-clutch.
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Zetor 7321.

Estimated Continuous Field Runtime: 7.9 hrs

Approximately 7.9 hours of continuous field operation at ~75% rated power on a full tank (32 gal / 121.1 L).

Estimated 75% Load Fuel Burn~4.1 gal/hr (15.4 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Zetor 7321 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Zetor 7321.

Converted Equivalents:

Horsepower (HP)78 hp
Kilowatts (kW)58.2 kW
Metric Horsepower (PS / CV)79.1 PS

Direct Competitor Comparison

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